Lactide (L,L-Dilactide) from Mexico
L,L-Dilactide, the cyclic dimer ester of lactic acid, falls under HTS 2918.11.51.00 as 'other' lactic acid esters. Monomer precursor for polylactic acid (PLA) bioplastic production via ring-opening polymerization.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.6%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Purity >99% required with melting point specification (95-100°C) for polymer grade
• Declare optical purity (L-form >98%) to prevent polymer quality classification issues